Kinship Level between Javanese and Sundanese Languages in Medan North Sumatra

The aims of this study to determine the level of kinship, separation time, and phonemic correspondence of the Javanese and Sundanese languages. This study used a mixed method, employing 300 Swadesh vocabulary lists that have been modified to fit the Austronesian languages. The Lexicostatistics approach was used to analyze the data. The result of data analysis revealed that there were 137 word pairs or 46% out of 300 swadesh vocabulary list. The kinship level of Javanese and Sundanese Languages is in the Language of Family group. There were three criteria used to determine the word pairs, they are: (a) 55 word pairs of Identical Pairs (18%), (b) 35 word pairs of Phonemic Correspondence (12%), and (c) 40 word pairs of One Different Phoneme (16%). The result of the study also showed that Javanese and Sundanse langauges was a single language 1, 842 years ago, or 1.8 millennia ago (one thousand and eight hundred years ago) with an error count of +150. Both Javanese and Sundanese Languages were considered as single languages at 1,992 – 1,692 years ago. (1,992 = (1,842+150) – (1,692= (1,842-150). Thus, the two languages began to separate from a single language between 1.9 – 1.6 millenia or 19 – 16 centuries ago.